Guitar



FIG. 1 is a front view of a guitar showing my new design;

FIG. 2 is a rear view thereof;

FIG. 3 is a left side view thereof;

FIG. 4 is a right side view thereof;

FIG. 5 is a top plan view thereof;

FIG. 6 is a bottom plan view thereof;

FIG. 7 is an enlarged view at line 7 in FIG. 3; and,

FIG. 8 is an enlarged view at line 8 in FIG. 6.

The portions of the guitar shown in broken lines form no part of the claimed design. 

CLAIM The ornamental design for a guitar, as shown and described. 